Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 30831
Error Effects on SAR Image Resolution using Range Doppler Imaging Algorithm

Authors: Su Su Yi Mon, Fang Jiancheng


Synthetic Aperture Radar (SAR) is an imaging radar form by taking full advantage of the relative movement of the antenna with respect to the target. Through the simultaneous processing of the radar reflections over the movement of the antenna via the Range Doppler Algorithm (RDA), the superior resolution of a theoretical wider antenna, termed synthetic aperture, is obtained. Therefore, SAR can achieve high resolution two dimensional imagery of the ground surface. In addition, two filtering steps in range and azimuth direction provide accurate enough result. This paper develops a simulation in which realistic SAR images can be generated. Also, the effect of velocity errors in the resulting image has also been investigated. Taking some velocity errors into account, the simulation results on the image resolution would be presented. Most of the times, algorithms need to be adjusted for particular datasets, or particular applications.

Keywords: Synthetic Aperture Radar (SAR), Range Doppler Algorithm (RDA), Image Resolution

Digital Object Identifier (DOI):

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 2943


[1] Bassem R. Mahafza., "Radar Systems Analysis and Design using MATLAB", Chapman&Hall/CRC, Boca Raton, FL, 2000.
[2] Matthew. Schlutz., "Synthetic Aperture Radar Imaging Simulated in MATLAB", California Polytechnic State University, San Luis Obispo, 2009.
[3] Ian G.Cumming, Frank H.Wong "Digital Processing of Synthetic Aperture Radar Data: Algorithms and Implementation," Beijing, Publishing House of Electronics Industry, 2007.
[4] Li. Haiying, Yang. Ruliang., "Stepped-Frequency Waveform Design for SAR Imaging and Radial Velocity Compensation", in Proc, Radar Conf, Long Beach, California,2002, pp 488-492.
[5] Mason, Paul Ryan, MATLAB Simualation of Two-Dimensional SAR Imaging By Range Doppler Algorithm, San Luis Obispo:CA 2007.
[6] Zarko Cucej and Dusan Gleich, "Signal Processing for Synthetic Aperture Radars," Proc. 7th Internationl conference on Systems, signals and Image processing Press, June. 2010.
[7] Martin. Kirscht., "Estimation of Velocity, Shape and Position of Moving Objects with SAR, in Proc. 21st Canadian Symposium on Remote Sensing, Ontario, Canada, 1999.
[8] Carrera, W.G., Goodman, RS., and Majewski, RM., Spotlight Synthetic Aperture: Radar Signal Processing Algorithms, Norwood, MA:AArtech House, 1995.
[9] John C. Curlander, and Robert N.McDonough, Synthetic Aperture Radar, Systems and Signal processing, John Wiley & Sons, Inc.c, 1991.
[10] John W. McCorkle, "Focusing of Synthetic Aperture Ultra Wideband Data," 1991 IEEE Int. Conf. System Engineering, pp. 1-5.
[11] R.Bamler, "A comparison of range-Doppler and wave number domain SAR focusing algorithms," IEEE Trans. Geosci.Remote Sensing, to be published.
[12] Soumekh, Mehrdad, "Bi-static synthetic aperture radar inversion with application in dynamic object imaging," IEEE Trans. On Signal processing., vol.39, pp.2044-2055.
[13] Naeim Dastgir."Processing SAR data using Range Doppler and Chirp Scaling Algorithms," Royal Institute of Technology (KTH), 100 44 Stockholm, Sweden, 2007.
[14] Mehrdad. Soumekh, "Synthetic Aperture Radar Signal Processing with MATLAB Algorithms," John Wiley & Sons, Inc, New York, 1999.
[15] Xuesong Jin and Yong Li,"Study on dual-stripmap imaging algorithm for airborne circular-scanning SAR data processing," APSAR, , Oct. 2009, pp. 108-111, doi:10.1109/APSAR.2009.5374297.